[c-nsp] Operational impact of switching from ingress to egress replication mode

[Phil Mayers]

On 09/22/2010 08:53 AM, Phil Mayers wrote:
> On 09/22/2010 08:31 AM, Phil Mayers wrote:
>> On 09/22/2010 01:00 AM, Peter Rathlev wrote:
>>> On Tue, 2010-09-21 at 22:12 +0100, Phil Mayers wrote:
>>>> 2. Use CoPP for everything else; DO NOT use the glean or cef receive
>>>> limiter
>>>
>>> I'm confused here: Why not use the glean limiter? As I understand it you
>>> can simplify the CoPP maps a lot. (Non-IP traffic like IS-IS still being
>>> a special case of course.)
>>>
>>> What am I missing? Is it because you want to catch special cases of
>>> gleaning earlier in the CoPP and differentiate rates?
>>>
>>
>> IIRC the glean limiter is faulty in some fashion on PFC-3B and earlier.
>> I can never remember the precise details, but I think it's been
>> discussed on the list in the past, and I've had knowledgeable TAC
>> engineers tell me "really, don't use it".
>
> Ah yes: egress ACL craziness:
>
> http://puck.nether.net/pipermail/cisco-nsp/2007-February/038465.html

For the curious, see also this post and surrounding ones in the most 
recent CoPP uber-thread, a cisco-nsp bi-annual event ;o)

http://www.mail-archive.com/cisco-nsp@puck.nether.net/msg29506.html